The work aims to study the effect of different mass concentrations of Scutellaria baicalensis Georgi extract treatment on the postharvest storage and preservation quality of passion fruit, so as to prolong the storage time of passion fruit. With passion fruit as raw material, Scutellaria baicalensis Georgi extract as preservative, distilled water as control, passion fruits were soaked with Scutellaria baicalensis Georgi extract of different mass concentrations and stored at room temperature (18~23 ℃). The effects of different mass concentrations of Scutellaria baicalensis Georgi extract on the quality index of passion fruit were detected, and the optimal concentration and storage & preservation effect of Scutellaria baicalensis Georgi extract were summarized. At room temperature, compared with the control treatment, different concentrations of Scutellaria baicalensis Georgi extract could have the effect of storage and preservation. The weight loss rate of passion fruit in the control group was 24.67%, the hardness was 6.31 kg/cm2, and the soluble solids content was 10.45 mg/g after 17 days of storage, while the weight loss rate of passion fruit in the Scutellaria baicalensis Georgi extract treatment group B (12.5 mg/mL) was 17.60%, the hardness was 8.29 kg/cm2, and the soluble solids content was 12.84 mg/g after 17 days of storage. There were significant differences (P<0.05) between the control group and the Scutellaria baicalensis Georgi extract treatment group B (12.5 mg/mL). Group B (12.5 mg/mL) of Scutellaria baicalensis Georgi extract was better than that of the control group and other treatment groups in maintaining the stability of external and internal quality indexes such as hardness, weight loss rate, soluble protein, soluble sugar and vitamin C of passion fruit. In the room temperature storage and preservation of passion fruit, the treatment of Scutellaria baicalensis Georgi extract with a mass concentration of 12.5 mg/mL can reduce the consumption of fruit nutrients and maintain better quality of fruits.